<template>
  <div class="departments-container">
    <div class="app-container">
      <!-- <el-card>
        <el-row>
          <el-col :span="8" style="backgroundColor:pink">111</el-col>
          <el-col :span="8" style="backgroundColor:red">222</el-col>
          <el-col :span="8" style="backgroundColor:red">222</el-col>
          <el-col :span="8" style="backgroundColor:red">222</el-col>
        </el-row>
      </el-card> -->
      <el-card v-loading="loading" class="tree-card">
        <!-- 用了一个行列布局 -->
        <!-- 传一个root 和:root="true" 是等价的-->
        <TreeTools :node-data="company" root @add-depts="addDeptsFn" />
        <el-tree :data="departs" :props="defaultProps" default-expand-all>
          <template #default="{data}">
            <TreeTools :node-data="data" @del-depts="getDepartments" @add-depts="addDeptsFn" @edit-depts="editDeptsFn" />
          </template>
        </el-tree>
      </el-card>
      <AddDepts ref="addDept" :show-dialog.sync="isShow" :node-data="nodeData" :dept-list="deptList" @add-depts="getDepartments" />
    </div>
  </div>
</template>

<script>
import AddDepts from './components/AddDepts.vue'
import TreeTools from './components/TreeTools.vue'
import { reqGetDepartments } from '@/api/departments'
import { transListToTree } from '@/utils/index'
export default {
  name: 'Departments',
  components: { TreeTools, AddDepts },
  data() {
    return {
      departs: [],
      deptList: [],
      defaultProps: {
        label: 'name',
        children: 'children'
      },
      company: { name: '江苏传智播客教育科技股份有限公司', manager: '负责人' },
      isShow: false,
      nodeData: {},
      loading: false
    }
  },
  created() {
    this.getDepartments()
  },
  methods: {
    editDeptsFn(nodeData) {
      this.isShow = true
      this.nodeData = nodeData
      this.$nextTick(() => {
        // this.$refs.addDept.dialogTitle = '编辑子部门'
        this.$refs.addDept.getDepartDetail()
      })
    },
    addDeptsFn(nodeData) {
      this.isShow = true
      console.log(11, nodeData)
      this.nodeData = nodeData
      this.$nextTick(() => {
        // this.$refs.addDept.dialogTitle = '添加子部门'
      })
    },

    async getDepartments() {
      this.loading = true
      await new Promise((resolve, reject) => {
        setTimeout(() => {
          resolve()
        }, 2000)
      })

      const { data: { depts, companyName }} = await reqGetDepartments()
      // console.log(depts)
      this.deptList = depts
      this.company.name = companyName
      this.company.id = ''
      const result = transListToTree(depts, '')
      // console.log(result)
      this.departs = result

      this.loading = false
    }
  }
}
</script>

<style lang="scss" scoped>
.el-tree {
  ::v-deep {
    // 小三角的样式, 去掉默认的小三角的旋转效果
    .el-tree-node__expand-icon.expanded {
      -webkit-transform: rotate(0deg);
      transform: rotate(0deg);
    }
    // 有子节点 且未展开 +
    .el-icon-caret-right:before {
      background: url("~@/assets/common/add-circle.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
    // 有子节点 且已展开 -
    .el-tree-node__expand-icon.expanded.el-icon-caret-right:before{
      background: url("~@/assets/common/minus-circle.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
    // 没有子节点
    .el-tree-node__expand-icon.is-leaf::before  {
      background: url("~@/assets/common/user-filling.png") no-repeat 0 0;
      content: '';
      display: block;
      width: 16px;
      height: 16px;
      font-size: 16px;
      background-size: 16px;
    }
  }
}
</style>
